package cn.tedu.sp02.controller;

import java.util.List;
import java.util.Random;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RestController;

import cn.tedu.sp01.pojo.Item;
import cn.tedu.sp01.service.ItemService;
import cn.tedu.web.util.JsonResult;

import lombok.extern.slf4j.Slf4j;

@Slf4j
@RestController
public class ItemController {
    @Autowired
    private ItemService itemService;

    @Value("${server.port}")
    private int port;
    //获取订单商品列表
    @GetMapping("/{orderId}")
    public JsonResult<List<Item>> getItems(@PathVariable String orderId) throws InterruptedException {
        List<Item> items = itemService.getItems(orderId);

        //随机延迟,90%概率执行延迟
        if(Math.random() <0.9){
            //随机延迟时长:0到5秒
            long t = new Random().nextInt(5000);
            log.info("延迟时长:"+t);
            Thread.sleep(t);
        }
        return JsonResult.build().code(200).data(items);

    }
    /**
     * @RequestParam 接收表单提交的名值对参数 k1=v1&k2=v2&k3=v3
     * @PathVariable 接收路径参数
     * @RequestBody 完整接收客户端提交的http协议体数据
     * @param items
     * @return
     */
    //减少商品库存
    @PostMapping("/decreaseNumber")
    public JsonResult<?> decreaseNumber(@RequestBody List<Item> items) {
        itemService.decreaseNumber(items);
        return JsonResult.build().code(200).msg("减少库存成功");

    }
    //处理浏览器自动请求的图标文件
    @GetMapping("/favicon.ico")
    public void ico(){

    }
}

